IGF 1 LR3 Peptide Foundry Premium Research Peptides IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease IGF LR3 is a peptide that play a role in muscle growth, tissue repair and recovery. But like all peptide therapies, its not one size fits all. , We focus on using peptides thoughtfully and in the This Peptide Is Next Level for Growth & Recovery Meet IGF LR3 the long acting insulin like growth factor that researchers can't stop talking about. From muscle growth to cellular repair , IGF 1 LR3 DOSES FOR MASSIVE GROWTH! #askDave